Aurelia Butler

The songwriter, guitarist and singer, who died at 78, animated the Grateful Dead from within. More

Grok, the chatbot created by Elon Musk’s artificial intelligence company, has produced a flood of explicit images featuring real people in recent weeks. More

The Grateful Dead guitarist, singer and songwriter was a bedrock of the band that became a psychedelic institution. More

Readers respond to an essay by Patti Davis on caring for family members with dementia. Also: New math on a wealth tax; how states can make A.I. safer. More

We bring you some good news about schools in a place you might not expect. More

After his toddler was diagnosed with cancer, a writer asked: “What now?” More

Disputes among lawyers are not exactly rare, but in the case of Mr. Maduro, the captive leader of Venezuela, the stakes are high and the interested parties are many. More

The past social media posts of two hires have led to a public debate about how much the new mayor is willing to tolerate. More